NZOPUTACHI SAMUEL EMMANUEL

Full-Stack Developer

Enugu, NG.

About

Full-Stack Developer with a practical experience delivering production web applications from concept to deployment. Built a live bus-booking platform that processed ₦1,000,000+ in launch transactions and supported 100+ active users. Seeking roles where I can drive product impact and deepen technical contributions.

Work

Don-Clem Technologies

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Software Developer Intern

Remote, Nigeria, Nigeria

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Summary

Contributing to a multi-tenant project management platform, implementing full-stack features including AI integration, payment systems, and performance optimization.

Highlights

Integrated Google Gemini AI to the document editor. Users can now improve text, create summaries, expand content, and rewrite sections. Built custom backend APIs and frontend components for this feature.

Implemented a complete Stripe billing system. Handles payment methods, promo codes, and automatic rollback when payments fail. This keeps all data consistent

Refactored notification system for multi-device support. Added device registration, management interface, and parallel delivery tracking for web and mobile.

Fixed Facebook video upload by migrating to direct upload API with progress tracking and retry handling, resolving timeout issues.

Clover Tech

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Full-stack Developer (Freelance)

Remote, Nigeria, Nigeria

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Summary

Developing production web applications for freelance clients and early-stage startups. Building full-stack solutions including telemedicine platforms and bus booking systems. Handling architecture, deployment, and maintenance.

New Horizons Nigeria

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Full-stack Web Development Tutor (NYSC)

Akure, Ondo State, Nigeria

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Summary

Provided hands-on instruction in full-stack web development to students during National Youth Service Corps (NYSC) at New Horizons Nigeria.

Highlights

Taught 50+ hours of hands-on classes covering JavaScript (ES6+), Node.js, Express, MongoDB, and React. Trained 20+ students across 2 cohorts.

Led weekly code reviews and pair programming sessions. Helped students debug complex problems and learn industry best practices.

Guided students through capstone projects including real estate sites, task managers, and portfolio websites.

Projects

Copers Drive - Bus Booking Platform

Freelance

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Summary

Full-stack bus ticketing platform with customer and admin interfaces. Processed ₦1,000,000+ in revenue during first month. Handled 100+ concurrent bookings per trip. Key Technical Achievements: Built real-time seat selection system with WebSocket updates. Prevents double-bookings across concurrent users. Integrated Paystack payment gateway with webhook verification. Handles transaction callbacks and automated booking confirmations. Created dynamic pricing engine. Supports peak/off-peak rates, promotional codes, and bulk booking discounts. Built responsive admin dashboard. Includes trip management, passenger manifests, revenue analytics, and refund processing. Deployed with CI/CD pipeline on Render. Includes automated health checks, environment-based configurations, and error logging with Sentry.

Clover Health (Ongoing startup) - Telemedicine Platform

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Summary

A real-time telemedicine platform featuring appointment scheduling, secure messaging, and robust user authentication. Demo available on request.

Education

University of Nigeria, Nsukka

Nsukka, Enugu State, Nigeria
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B.Sc. Biochemistry Grade: Second Class Honours

Skills

Programming Languages & Frameworks

JavaScript (ES6+), React, Node.js, Express.js, TailwindCSS.

Real-time Communication

WebSocket.

Authentication & Security

JWT, Role-Based Access Control (RBAC).

Tools & DevOps

Git, GitHub, Postman, Insomnia, Vite, Render.

Development Practices

REST API Design, Schema Design & Indexing, Agile Workflows, Code Review.

Soft Skills

Clear Communication, Cross-functional Collaboration, Analytical Problem-Solving, Adaptability, Mentorship, Knowledge Sharing.

Databases & ORMs

MongoDB, MySQL, PostgreSQL, Prisma, Supabase, Firebase.

Certificates

ALX ProDev Backend Development Course

ALX

Frontend Development Course

Genesys Tech Hub

Languages

English

Fluent